Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Plaquenil macular changes Is hydroxychloroquine sulfate an immune suppressing drug Chloroquine contraindications Yes. Hair bleaching, hair loss, skin pigmentation, rash and itching are recognized skin adverse reactions of plaquenil hydroxychloroquine. These reactions tend to be worse if a patient is taking other medications that have similar skin toxicity. Please consult a dermatologist to ensure skin lesions are not psoriatic because Plaquenil hydroxychloroquine use needs special precautions in. In this review, we analyze Plaquenil side effects by the time on the drug, gender and age of the people who have side effects while taking Plaquenil. The review is based on 57,733 people who have side effects while taking the drug from Food and Drug Administration FDA. The information that eHealthMe analyzes includes Skin rash; Serious Side Effects of Plaquenil. If you are taking Plaquenil long-term, such as for an autoimmune condition, your doctor should regularly check you for potential serious side effects. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil side effects skin rash Hydroxychloroquine Plaquenil, Common Plaquenil side effects a study from FDA data - eHealthMe Saltwater fiah chloroquine compatibility Side effects Hydroxychloroquine Plaquenil is one of the safest drugs in medicine. Serious side effects are rare & routine blood tests are not required. Allergy new skin rashes is unusual but it means ruling our future use. Commoner, usually mild, side effects are indigestion, ‘gurgly tummy’, diarrhoea & headache. Plaqunil rash -. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. MORE COMMON side-effects include Nausea & diarrhea – Plaquenil agrees with most people. Rarely it can cause an upset stomach or diarrhea. Skin rash – Plaquenil can rarely cause a rash. Patients who experience this rare side effect should stop taking this medicine and contact their doctor. Headaches – Plaquenil can rarely cause a headache. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more.